The term 'PART TO PLAY' can be summarized as a ROLE or job to be fulfilled. It is composed of two words, 'PART' and 'PLAY', which together refer to the idea of taking on a specific task or responsibility. The crossword solution for this term is 'ROLE', which is a four-letter word that describes a person's function or position in a particular situation. A ROLE can be either assigned or chosen, and it typically involves a set of duties and expectations. In the context of a PLAY or performance, a ROLE is the character or PART that an actor or actress takes on.